Wildlife Specialist report
Wildlife Specialist report
Wildlife Specialist report
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largely unknown, but it is thought they burrow into leaf litter or dense grass, similar to<br />
eastern red bats (Bat Conservation International 2009). Summer habitat associations<br />
include: coniferous forest; closed pinyon-juniper woodlands; open encinal oak; Great<br />
Basin shrublands; Mohave and Sonoran desert scrub; Chihuahuan desert grassland; short<br />
grass steppe; deciduous riparian forest including cottonwood, sycamore, walnut, and oak;<br />
dry and irrigated agricultural lands; mines and quarries; and urban habitats (Hoffmeister<br />
1986).<br />
Arizona gray squirrel (Forest Service Sensitive Species Representative of Low and<br />
Middle Elevation Riparian Vegetation Cover Types) – This gray squirrel inhabits<br />
hardwood, mixed oak and pine forests. They are found in river valleys and canyons, and<br />
where black walnuts and acorns are abundant. Also found in cottonwood and sycamore<br />
groves. They make leaf nests in trees (NatureServe, 2009). The Arizona gray squirrel is<br />
primarily limited to the deciduous riparian forest of the Gila. We took one in Mogollon<br />
at the upper limit of its range (at 7,000 feet) from a ponderosa pine area (BISON-M,<br />
2009).<br />
White-nosed coati, Western red bat, and Arizona gray squirrel have been selected as focal<br />
species for small mammals that occur in low and middle elevation riparian areas. For<br />
the analysis of this species the analysis indicators (road miles and acres of potential<br />
disturbance) will analyze the change in low and middle elevation riparian habitat by<br />
alternative from the existing condition.<br />
Small Mammal Summary:<br />
Table 27 list road associated and motorized trail factors related to small mammals for<br />
focal species that represent this group (Gaines et al. 2003); analysis factors based on the<br />
analysis factor discussed above; and the indicator that will be used to compare the<br />
different levels of affect between the different alternatives.<br />
Table 27:<br />
Focal Group/<br />
Species<br />
Small<br />
Mammals<br />
Road Associated Motorized Trail Combined Analysis Analysis<br />
Factors<br />
Associated Factors Factors<br />
Indicator<br />
Collisions, Trapping Collisions Harvest/Direct Effects Miles<br />
Disturbance,<br />
Displacement, Avoidance,<br />
Harassment<br />
Disturbance,<br />
Displacement, Avoidance,<br />
Harassment<br />
Disturbance/Indirect<br />
Effects<br />
Disturbance Zone<br />
Summarized In<br />
Acres<br />
Table 28 summarizes the harvest indicator, disturbance indicator, and analysis area that<br />
will be used to analyze the effects of the different alternatives to small mammals.<br />
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